Guarín-Patarroyo, Camilo Ernesto, Marly Julieth Serrato, and Fabián Rodrigo Sánchez-Cuervo. 2016. “Toxocara Canis Eggs Determination in Duitama (Colombia) Three Public Parks Soil”. Ciencia Y Agricultura 13 (1):59-66. https://doi.org/10.19053/01228420.4806.